[INFO] fetching crate percy 0.0.1...
[INFO] testing percy-0.0.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate percy 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate percy 0.0.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate percy 0.0.1
[INFO] finished tweaking crates.io crate percy 0.0.1
[INFO] tweaked toml for crates.io crate percy 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e94597a181c6ae74c4223c9e80f00b3eb167a47597b0003b5f2f4d50011b339
[INFO] running `Command { std: "docker" "start" "-a" "4e94597a181c6ae74c4223c9e80f00b3eb167a47597b0003b5f2f4d50011b339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e94597a181c6ae74c4223c9e80f00b3eb167a47597b0003b5f2f4d50011b339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e94597a181c6ae74c4223c9e80f00b3eb167a47597b0003b5f2f4d50011b339", kill_on_drop: false }`
[INFO] [stdout] 4e94597a181c6ae74c4223c9e80f00b3eb167a47597b0003b5f2f4d50011b339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff94f59afc7c761f588d99001a68d0a80284d6dd26713bd323c3333f6e3b052
[INFO] running `Command { std: "docker" "start" "-a" "eff94f59afc7c761f588d99001a68d0a80284d6dd26713bd323c3333f6e3b052", kill_on_drop: false }`
[INFO] [stderr]    Compiling percy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "eff94f59afc7c761f588d99001a68d0a80284d6dd26713bd323c3333f6e3b052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff94f59afc7c761f588d99001a68d0a80284d6dd26713bd323c3333f6e3b052", kill_on_drop: false }`
[INFO] [stdout] eff94f59afc7c761f588d99001a68d0a80284d6dd26713bd323c3333f6e3b052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efa591821c9ce2b59ab692fe8ce267016567a0e55ae48f89b7a8c5f22bab17f8
[INFO] running `Command { std: "docker" "start" "-a" "efa591821c9ce2b59ab692fe8ce267016567a0e55ae48f89b7a8c5f22bab17f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling percy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "efa591821c9ce2b59ab692fe8ce267016567a0e55ae48f89b7a8c5f22bab17f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa591821c9ce2b59ab692fe8ce267016567a0e55ae48f89b7a8c5f22bab17f8", kill_on_drop: false }`
[INFO] [stdout] efa591821c9ce2b59ab692fe8ce267016567a0e55ae48f89b7a8c5f22bab17f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e6155375333f6b3e35cd1dc0d9b6f9882702aabcb213d88a9fb00f877d36ac4
[INFO] running `Command { std: "docker" "start" "-a" "9e6155375333f6b3e35cd1dc0d9b6f9882702aabcb213d88a9fb00f877d36ac4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/percy-4c40d3847a89d09f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests percy
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e6155375333f6b3e35cd1dc0d9b6f9882702aabcb213d88a9fb00f877d36ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6155375333f6b3e35cd1dc0d9b6f9882702aabcb213d88a9fb00f877d36ac4", kill_on_drop: false }`
[INFO] [stdout] 9e6155375333f6b3e35cd1dc0d9b6f9882702aabcb213d88a9fb00f877d36ac4